CVE-2015-0834: Canonical Ubuntu Linux

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

The WebRTC subsystem in Mozilla Firefox before 36.0 recognizes turns: and stuns: URIs but accesses the TURN or STUN server without using TLS, which makes it easier for man-in-the-middle attackers to discover credentials by spoofing a server and completing a brute-force attack within a short time window.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Mozilla Firefox: up to and including 35.0.1; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-02-25. Last modified 2026-06-17.